1)   Axialis IconWorkshop 6.11
Use the industry standard to make, edit, convert Windows® and Macintosh® icons. It supports all formats up to Windows Vista (PNG compressed) and Leopard (OSX 10.5). Hundreds of features permit to produce hi-quality icons using a professional tool.

 2)   50.000 Vista Icons - Full Vista Bundle 1.0
More than 50.000 windows vista icons, You will find at this collection a full range of icons designed to play with original Windows Vista colors and shapes.

 3)   Business Icons collection Kit.6 6.0
More than 600 XP icons and vista icon designed specifically for database applications, business applications, internet applications and websites.File format: GIF, PNG Sizes:256x256,128x128,64x64,48x48, 32x32, 24x24,16x16